# Control Room and SCADA Operation - Figure13: Shows Griffith to Marshall 2-Hour Alarm Imbalance Source:Enbridge -NTSB-PHMSA IR 1

**Citation:** DCA10MP007 docket item 172  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

DCA10MP007; docket item 172; Adobe PDF file.

## Document text

Control Room and SCADA Operation - Figure13: Shows Griffith to Marshall 2-Hour Alarm Imbalance Source:Enbridge -NTSB-PHMSA IR 1 DCA10MP007 docket item 172. 1 page. 0 photograph references. Published media type: Adobe PDF file. Metadata only; the linked docket file is not mirrored.

## Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/Docket/Document/docBLOB?ID=40363656&FileExtension=.PDF&FileName=Control%20Room%20and%20SCADA%20Operation%20-%20Figure13%3A%20Shows%20Griffith%20to%20Marshall%202-Hour%20Alarm%20Imbalance%20Source%3AEnbridge%20-NTSB-PHMSA%20IR%201-Master.PDF>
- Source ID: `ntsb-dockets`
- SHA-256: `bddcdec29f7d61b571e0dfc333336622f386ac0b4c81f9eef34d2c6ab8721b9d`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-24T02:51:37.461Z
- Document slug: `ntsb-docket-item-40363656`

### Source metadata

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  "docketCreationDate": "2010-08-25",
  "docketLastModifiedDate": "2016-08-15",
  "docketPublicReleaseDate": "2012-05-22",
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  "jurisdiction": "US"
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```